condition mean min max 2 h after light 0.216672 0.0 0.400958 6 h after light 0.294625 0.0 0.599301 10 h after light 0.1998875 0.0 0.565642 14 h after light 0.2482705 0.0 1.11893 18 h after light 0.2865785 0.0 1.04088 2 h after dark 0.2736381666666667 0.0 1.22902